Results 51 to 60 of about 632,255 (202)

Effect of shape and sizes of a local heat source on convective heat transfer in a square cavity [PDF]

Компьютерные исследования и моделирование, 2015
Numerical analysis of the effects of the local heat source shape on transient natural convection in a square enclosure has been carried out. The local heat source has rectangular, triangular and trapezoidal shape. The boundary value problem formulated in
N. S. Gibanov, Mikhail Aleksandrovich Sheremet   +1 more
doaj   +1 more source

Employing the Moving Least‐Squares Aided Finite Element Method to Study Heat Transfer Phenomenon in Closed‐Cell Polymeric Foam

International Journal for Numerical Methods in Fluids, Volume 98, Issue 11, Page 1232-1243, November 2026.
Employing the moving least‐squares aided finite element method (MLS‐FEM) allows detailed thermal analysis in complex porous structures, such as polymeric foams, where the conductive heat transfer mechanism governs in the solid matrix and the convective mechanism dominates within the gas‐filled voids.
Mehdi Mostafaiyan, Sven Wiessner, Andreas Leuteritz   +2 more
wiley   +1 more source

The KdV and Whitham limit for a spatially periodic Boussinesq model [PDF]

, 2016
Wir betrachten die KdV-Approximation und die Whitham-Approximation für ein räumlich periodisches Boussinesq-Modell. Wir zeigen Abschätzungen der Differenz zwischen der KdV- beziehungsweise der Whitham-Approximation und echten Lösungen des ursprünglichen ...
Bauer, Roman
core   +1 more source

New Thermal Lattice Boltzmann Method for Modeling Heat Transfer Problems Considering Temperature‐Dependent Properties

Heat Transfer, Volume 55, Issue 7, Page 4554-4567, November 2026.
ABSTRACT Several engineering problems involve the need to model conjugate heat transfer processes considering the temperature‐dependence of the material properties. Consequently, a simulation tool capable of modeling this process is of great interest. In this context, the present work proposes a thermal lattice Boltzmann method (TLBM) for modeling the ...
Julia Akiko Sassa, Ivan Talão Martins, Luben Cabezas Gómez   +2 more
wiley   +1 more source

Regional Pathways and Impacts of Greenland Ice Sheet Meltwater Simulated in a Sea Ice‒Ocean Model

Journal of Geophysical Research: Oceans, Volume 131, Issue 11, November 2026.
Abstract Much attention has been paid to the recent increase in freshwater supply from the Greenland Ice Sheet (GrIS). We conducted numerical experiments using a sea ice–ocean model with a nominal 0.25° resolution to investigate pathways of GrIS meltwater and its effects on the surrounding sea‐ice and ocean fields.
Kazuya Kusahara, Yoshiki Komuro, Fuyuki Saito, Hiroaki Tatebe   +3 more
wiley   +1 more source

Free Convection and Irreversibility Analysis inside a Circular Porous Enclosure

Entropy, 2003
We investigate the nature of heat transfer and entropy generation for natural convection in a two-dimensional circular section enclosure. The enclosure is assumed to fill with porous media.
Shohel Mahmud, Roydon Andrew Fraser
doaj   +1 more source

Adaptive Numerical Modeling of Tsunami Wave Generation and Propagation with FreeFem++

Geosciences, 2020
A simplified nonlinear dispersive Boussinesq system of the Benjamin–Bona–Mahony (BBM)-type, initially derived by Mitsotakis (2009), is employed here in order to model the generation and propagation of surface water waves over variable bottom.
Georges Sadaka, Denys Dutykh
doaj   +1 more source

The Validity of Whitham's Approximation for a Klein--Gordon--Boussinesq Model [PDF]

SIAM Journal on Mathematical Analysis, 2016
In this paper we prove the validity of a long wave Whitham approximation for a system consisting of a Boussinesq equation coupled with a Klein--Gordon equation. The proof is based on an infinite series of normal form transformations and an energy estimate.
Wolf-Patrick Düll, Kourosh Sanei Kashani, Guido Schneider   +2 more
openaire   +4 more sources

New Representation of Sea Ice Salt Dynamics in NEMO‐SI3 v5: Evaluation and Impacts

Journal of Advances in Modeling Earth Systems, Volume 18, Issue 11, November 2026.
Abstract Although many large‐scale sea ice models now represent salt dynamics, few studies have evaluated them, and uncertainty remains regarding key parameterization choices. Here, we conduct global 1° ocean–ice simulations with NEMO‐SI3 v5, forced by climatological atmospheric data, tuned to the salinity–thickness relationship, and evaluated against ...
Elise Ortega, Martin Vancoppenolle, Clément Rousset, Eva Lemaire   +3 more
wiley   +1 more source

The Liquid Film Flow with Evaporation: Numerical Modelling

MATEC Web of Conferences, 2016
The flow of thin liquid layer on an inclined substrate is investigated numerically. The mathematical modelling is based on the Oberbeck-Boussinesq equations and the generalized conditions on the thermocapillary boundary simplified during the parametrical
Rezanova Ekaterina
doaj   +1 more source